/*
 * Copyright (C) 2008 Peter Kling
 *
 * This file is part of 'A Kind of Billiard', a graphical billiard simulation.
 *
 * 'A Kind of Billiard' is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option) any
 * later version.
 *
 * 'A Kind of Billiard' is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * 'A Kind of Billiard'. If not, see <http://www.gnu.org/licenses/>.
 */

package cg2.misc;

import javax.media.opengl.GL;


/**
 * @brief A simple wrapper class for OpenGL drawables, that allows to apply arbitray translations to the drawable.
 */
public class TranslatedOpenGLDrawable implements OpenGLDrawable {
	private final OpenGLDrawable drawable;
	private final double dx, dy, dz;
	
	/**
	 * @brief Standard constructor.
	 */
	public TranslatedOpenGLDrawable(OpenGLDrawable drawable, double dx, double dy, double dz) {
		this.drawable = drawable;
		this.dx = dx;
		this.dy = dy;
		this.dz = dz;
	}
	
	/**
	 * @brief Draws the translated OpenGL drawable.
	 */
	public void draw(GL gl) {
		gl.glPushMatrix();
		gl.glTranslated(dx, dy, dz);
		drawable.draw(gl);
		gl.glPopMatrix();
	}
}
